the causes under investigation. >> stay with us. a lot more news ahead including the celebration of citizenship in baltimore county. >> tonight, we learn more about what happened when a high school student was killed trying to cross this intersection in the hartford county last week. >> you think you had animated discussions about the ravens today? john harbaugh explains his heated thoughts from yesterday's game later in sports. >> a beautiful monday afternoon with the beautiful temperatures. it will stay that way for another day or so. heat and humidity on the way. your seven-day forecast coming up. up >> more than one dozen people were welcome during a celebration as citizens of this morning. it included 20 candidates from 16 different countries. it is part of the u.s. citizenship and immigration service's annual constitution day and citizenship day festivities. >> and much more somber mood in harford county today. students return to their high school without one of their beloved classmate who was head and killed by a car on frida